LayoutTests/js/script-tests/typedarray-set-source-smaller-than-destination.js

description(
"Tests the code path in typedArray.set that may have to do a copy via an intermediate buffer because the source and destination overlap and have different size elements (source is smaller than destination)."
);

function foo_reference(n) {
    var array = new Int32Array(n + 1);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    var array2 = new Int32Array(array);
    array2.set(new Uint8Array(array.buffer, 0, n), 1);
    return array2;
}

function foo(n) {
    var array = new Int32Array(n + 1);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    array.set(new Uint8Array(array.buffer, 0, n), 1);
    return array;
}

function bar_reference(n) {
    var array = new Int32Array(n + 1);
    for (var i = 0; i < n; ++i)
        array[i + 1] = 42 + i;
    var array2 = new Int32Array(array);
    array2.set(new Uint8Array(array.buffer, (n + 1) * 4 - n), 0);
    return array2;
}

function bar(n) {
    var array = new Int32Array(n + 1);
    for (var i = 0; i < n; ++i)
        array[i + 1] = 42 + i;
    array.set(new Uint8Array(array.buffer, (n + 1) * 4 - n), 0);
    return array;
}

function baz_reference(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    var array2 = new Int32Array(array);
    array2.set(new Uint8Array(array.buffer, 0, n));
    return array2;
}

function baz(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    array.set(new Uint8Array(array.buffer, 0, n));
    return array;
}

function fuz_reference(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    var array2 = new Int32Array(array);
    array2.set(new Uint8Array(array.buffer, n * 4 - n));
    return array2;
}

function fuz(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    array.set(new Uint8Array(array.buffer, n * 4 - n));
    return array;
}

function thingy_reference(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    var array2 = new Int32Array(array);
    array2.set(new Uint8Array(array.buffer, 4, n));
    return array2;
}

function thingy(n) {
    var array = new Int32Array(n);
    for (var i = 0; i < n; ++i)
        array[i] = 42 + i;
    array.set(new Uint8Array(array.buffer, 4, n));
    return array;
}

shouldBe("foo(10)", "foo_reference(10)");
shouldBe("bar(10)", "bar_reference(10)");
shouldBe("baz(10)", "baz_reference(10)");
shouldBe("fuz(10)", "fuz_reference(10)");
shouldBe("thingy(10)", "thingy_reference(10)");